<div class="container">
  <form action="/users/addUser" method="post">
    <div class="form-group">
      <label for="userName">用户名</label>
      <input type="text" class="form-control" id="userName" name="userName">
    </div>
    <div class="form-group">
      <label for="password">Password</label>
      <input type="password" class="form-control" name="password" id="password" placeholder="Password">
    </div>
    <div class="form-group">
      <label for="showName">昵称</label>
      <input type="showName" class="form-control" name="showName" id="showName" placeholder="昵称">
    </div>
    <button type="submit" class="btn btn-primary">Submit</button>
    <button id="cancel" type="button" class="btn btn-default">Cancel</button>
  </form>
</div>
<script type="text/javascript">
      $('#cancel').click(function(){
          location.href = "/";
      });
</script>